package com.mybatis3.demo.mapper;

import java.util.List;

import com.mybatis3.demo.pojo.GroupEntity;

public interface GroupMapper {
	public void addGroup(GroupEntity entity);
	public void deleteGroup(GroupEntity entity);
	public void updateGroup(GroupEntity entity);
	public GroupEntity findGroupByGroupId(int groupId);
	public List<GroupEntity> findGroups();
}
